CN106979738A - The hidden width measuring scale of hydraulic asphalt concrete core-wall - Google Patents
The hidden width measuring scale of hydraulic asphalt concrete core-wall Download PDFInfo
- Publication number
- CN106979738A CN106979738A CN201710367786.4A CN201710367786A CN106979738A CN 106979738 A CN106979738 A CN 106979738A CN 201710367786 A CN201710367786 A CN 201710367786A CN 106979738 A CN106979738 A CN 106979738A
- Authority
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- China
- Prior art keywords
- wall
- core
- swing rod
- chi bar
- montant
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 239000011384 asphalt concrete Substances 0.000 title claims abstract description 16
- 238000000034 method Methods 0.000 description 5
- 230000007704 transition Effects 0.000 description 5
- 210000000481 breast Anatomy 0.000 description 4
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000010426 asphalt Substances 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/02—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
- G01B5/06—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness for measuring thickness
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B3/00—Measuring instruments characterised by the use of mechanical techniques
- G01B3/02—Rulers with scales or marks for direct reading
- G01B3/04—Rulers with scales or marks for direct reading rigid
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length-Measuring Instruments Using Mechanical Means (AREA)
Abstract
The invention discloses a kind of hidden width measuring scale of hydraulic asphalt concrete core-wall, including in the chi bar of strip, it is additionally provided with the chi bar in the scale arranged along chi pole length direction, the either end of the chi bar and is additionally provided with outstanding sidepiece；The outstanding sidepiece includes montant, rotating shaft and swing rod, and one end of the montant is connected with chi bar, and one end of swing rod is connected by rotating shaft with the other end of montant.The measuring scale can accurately measure core-wall width.
Description
Technical field
The present invention relates to thickness measure utensil technical field, more particularly to a kind of hidden width of hydraulic asphalt concrete core-wall is surveyed
Gage.
Background technology
Core-wall is plays the structure of impervious waterproof action in dam, it is typically held in dam body, in the prior art
The material that core-wall is used is generally bitumen concrete.The width of core-wall is the important parameter of core-wall, and core-wall is during dam construction
Placement layer by layer from the bottom to top.
Because pouring for core-wall is carried out in the lump with building materials around, the both sides of core-wall are under the extruding of Transition Materials, in height
Spend on direction, different degrees of depression can inwardly occur for the middle part of each layer core-wall.In the prior art, typically by measuring each layer heart
The mode of wall top width obtains core-wall thickness, and above core-wall thickness measure point is not the thinnest point of core-wall, and this is resulted in
Gained core-wall thickness value is bigger than normal than actual core-wall thickness value, and above metering system is unfavorable for obtaining accurate core-wall thickness value.
The content of the invention
For it is set forth above in the prior art, core-wall is typically obtained by way of measuring each layer core-wall top width thick
Degree, and above core-wall thickness measure point is not the thinnest point of core-wall, this has resulted in gained core-wall thickness value than actual core-wall
Thickness value is bigger than normal, the problem of above metering system is unfavorable for obtaining accurate core-wall thickness value, and the invention provides a kind of water conservancy project
The hidden width measuring scale of asphalt concrete core wall, the measuring scale can accurately measure core-wall width.
The hidden width measuring scale of hydraulic asphalt concrete core-wall that the present invention is provided solves problem by following technical essential：Water
The hidden width measuring scale of work asphalt concrete core wall, including in the chi bar of strip, be additionally provided with the chi bar along chi pole length side
To the scale of arrangement, outstanding sidepiece is additionally provided with the either end of the chi bar；
The outstanding sidepiece includes montant, rotating shaft and swing rod, and one end of the montant is connected with chi bar, and one end of swing rod passes through
Rotating shaft is connected with the other end of montant.
Specifically, this measuring scale excavates the Transition Materials of core-wall both sides so that core-wall both sides first when measuring core-wall thickness
Depression bosom is exposed, while the hole that core-wall both sides are excavated needs to ensure in chi bar with width of the length direction parallel to core-wall
When the form in degree direction is placed on core-wall, outstanding sidepiece can be embedded in excavated hole.Hereafter torque is being applied for swing rod, with
So that swing rod rotates around the axis, when the free end of swing rod and core-wall be recessed most deep position contact when, you can obtained using this measuring scale
Core the minimum widith of wall.If being provided only with an outstanding sidepiece on chi bar, specific measuring method can be：Define on the left of core-wall
Cup depth is X, and the right side cup depth for defining core-wall is Y, and the most thin width value for defining core-wall is Z, so, when outstanding side
When the left side of core-wall, the projected position for defining swing rod free end towards chi bar is the first zero graduation point on chi bar, so, can be obtained
The distance value of right-hand member on the upside of the first zero graduation point centroid wall, this distance value is equal to Z and Y's and value；When outstanding sidepiece is located at core-wall
Right side when, the projected position for defining swing rod free end towards chi bar is the second zero graduation point on chi bar, so, can obtain second
The distance value of left end on the upside of zero graduation point centroid wall, this distance value is equal to X and Z's and value；Meanwhile, core-wall can be measured using ruler
Top surface width value, this value be X, Y, Z three's and value, so, an equation group can be set up and ask for Z values, the above Z values as heart
The width value of wall.Preferably, for ease of the first zero graduation point and the second zero graduation point more than obtaining, be set to montant with
Chi bar is vertical, and the rotating shaft is vertical with chi bar, montant, so, may be implemented in after the completion of chi bar puts according to above-mentioned requirements, outstanding
The Kong Zhonghou that sidepiece insertion is excavated, the length direction of montant is located at vertical direction, and the axis direction of rotating shaft is located at horizontal direction, and
Swing rod can be rotated on vertical plane.So, rotational swing rod is to cause swing rod parallel with chi bar, and ensures the free end direction of swing rod
Core-wall, then, this measuring scale is translated further along the width of core-wall so that the free end of swing rod and the depression of core-wall respective side
Bosom is contacted, so, just above-mentioned the first zero graduation point or the 2nd 0 can be obtained on chi bar according to the physical length of swing rod
Calibration points.Meanwhile, also can be by the gap of montant and core-wall when measuring scale is in state as described above with core-wall
Value, calculates the depth of core-wall one-sided notch, the method for finally subtracting left and right sides depth value with core-wall top surface width, obtains the heart
The effective width value of wall.As those skilled in the art, above zero graduation point is actually also swing rod free end in core-wall top surface
On subpoint, particular location of the subpoint on core-wall top surface can according on chi bar specific scale determine, and above have
Body scale can be by hanging each part length of sidepiece, angle, the angle of chi bar and montant, montant tie point centroid wall top surface distance etc.
Data are calculated.Meanwhile, this measuring scale hangs the angle of angle, chi bar and montant of each part of sidepiece simultaneously when for measuring
Form described above is not necessarily, but acquisition above zero graduation point can be also calculated by simple geometry.
To sum up, it can be used for the accurate measuring scale for measuring core-wall width present solution provides a kind of.
Further technical scheme is：
The hidden width measure of core-wall can be completed to cause this measuring scale to be once placed on core-wall, the two ends of the chi bar are equal
Outstanding sidepiece is provided with, and two outstanding sidepieces are located at the same side of chi bar, at least one outstanding sidepiece can be along the length side of chi bar
To slip.It is recessed with core-wall respective side in the swing rod free end of two outstanding sidepieces by the spacing of the outstanding sidepiece of adjustment two in this programme
Fall into after deepest point contact, you can the width value of core-wall is obtained by simply calculating, is preferably arranged to hang sidepiece as described above
After upper montant is vertical with chi bar, and chi bar is correctly put on core-wall width, the length direction of chi bar is located at vertical direction,
Swing rod on each outstanding sidepiece is swingable to the mode vertical with corresponding montant, and so, in measurement, swing rod is rocked to hang down with montant
Direct join is contacted with corresponding points on core-wall, using the scale and the length of each swing rod on chi bar where each montant, by simply subtracting
Method computing, you can obtain desirable value.
As described above, accurately to measure core-wall width, it is necessary to dig pit to expose depression most on the transition zone of core-wall both sides
Deep point simultaneously provides space for the insertion for hanging sidepiece, to make it possible to the hole that convenient width is excavated according to specific cup depth,
Reduce excavated volume and beneficial to follow-up fill up on the premise of obtain core-wall width, the quantity of the outstanding sidepiece upper pendulum bar is many, and
Each swing rod has different length.Specifically, as described above, when swing rod is vertical with montant, more can simply calculate
Go out the width value of core-wall, therefore in core-wall side-facing depressions depth more hour, choosing shorter swing rod is used to measure, and now, is digged pit
It is corresponding smaller, conversely, when the cup depth is bigger, choosing longer swing rod is used to measure, now, dig pit accordingly compared with
Greatly.
To cause swing rod that there is smaller contact area with core-wall, to cause the contact point of swing rod and core-wall recessed as far as possible
Deepest point is fallen into, the free end of the swing rod is tip.
Because recessed position deepest point position is uncertain on core-wall, and after this measuring scale completes, montant
Length is certain, and so, when swing rod is vertical with montant, if chi bar is directly placed on core-wall, this mode is put for measuring scale
State the most stable mode, meanwhile, it is also the most accurately to read with upper type when if desired reading core-wall edge scale value
Core wall edge correspondence scale mode, still, just because of the uncertainty of core-wall depression points position, it is possible to now swing rod from
By holding when satisfaction is contacted with core-wall side-facing depressions deepest point, the angle between swing rod and montant is just between 0 ° to 180 °
In obtaining the angle value, according to trigonometric function, to calculate outstanding sidepiece in the projected length in chi pole length direction, it is set to：Institute
State and angle dial is additionally provided with outstanding sidepiece, the angle dial is used to measure the angle between swing rod and montant.Specifically
, above angle dial can be using a disk for being labeled with angle value, and above disk is fixed on montant, and above disk
Axis and rotating shaft axis collinear.For ease of calculating, it is preferably arranged to that montant is vertical with chi bar, swing rod is can turn to and montant
It is parallel.
For ease of placement state of the demarcation chi bar on core-wall, to ensure the measurement accuracy of this measuring scale, in addition to fixation
Level meter on chi bar.
Analyzed as more than, the angle of swing rod and montant influences whether the calculating of core-wall width, for ease of demarcation montant
With the angle of swing rod, and cause above angle to be the angle that convenient use person calculates the most, also set on the other end of the montant
Block is equipped with, the block is used for the maximum angle for limiting swing rod rotation, and when swing rod is contacted with block, the swing rod and chi
Bar is parallel.By the manner, the length value of swing rod is projected length of the swing rod on chi bar, can directly be utilized.
The invention has the advantages that：
It can be used for the accurate measuring scale for measuring core-wall width present solution provides a kind of, while this measuring scale is structurally and operationally
Simply, it is easy to manufacture and easy to carry.
Brief description of the drawings
Fig. 1 be one specific embodiment of the hidden width measuring scale of hydraulic asphalt concrete core-wall of the present invention when in use
Structural representation.
Reference in figure is followed successively by：1st, core-wall, 2, chi bar, 3, level meter, 4, montant, 5, slide, 6, rotating shaft, 7, pendulum
Bar, 8, scale, 9, block.
Embodiment
With reference to embodiment, the present invention is described in further detail, but the present invention structure be not limited only to it is following
Embodiment.
Embodiment 1：
As shown in figure 1, the hidden width measuring scale of hydraulic asphalt concrete core-wall, including in the chi bar 2 of strip, on the chi bar 2
It is additionally provided with the scale 8 arranged along the length direction of chi bar 2, the either end of the chi bar 2 and is additionally provided with outstanding sidepiece；
The outstanding sidepiece includes montant 4, rotating shaft 6 and swing rod 7, and one end of the montant 4 is connected with chi bar 2, and the one of swing rod 7
End is connected by rotating shaft 6 with the other end of montant 4.
Specifically, this measuring scale excavates the Transition Materials of the both sides of core-wall 1 so that core-wall 1 first when measuring 1 thickness of core-wall
Both sides depression bosom is exposed, while the hole that the both sides of core-wall 1 are excavated needs to ensure in chi bar 2 with length direction parallel to the heart
When the form of the width of wall 1 is placed on core-wall 1, outstanding sidepiece can be embedded in excavated hole.Hereafter applied for swing rod 7
Plus torque, with cause swing rod 7 around the shaft 6 rotate, when free end and the core-wall 1 of swing rod 7 be recessed most deep position contact when, you can adopt
The minimum widith of core-wall 1 is obtained with this measuring scale.If being provided only with an outstanding sidepiece on chi bar 2, specific measuring method can be：
The cup depth for defining the left side of core-wall 1 is X, and the right side cup depth for defining core-wall 1 is Y, and the most thin width value for defining core-wall 1 is
Z, so, when outstanding sidepiece is located at the left side of core-wall 1, defines the free end of swing rod 7 towards the projected position of chi bar 2 on chi bar 2
First 8 points of zero graduation, so, can obtain the distance value of the upside right-hand member of 8 centroid walls of the first zero graduation 1, this distance value be equal to Z with
Y's and value；When outstanding sidepiece is located at the right side of core-wall 1, the free end of swing rod 7 is defined towards the projected position of chi bar 2 on chi bar 2
Second 8 points of zero graduation, so, can obtain the distance value of the upside left end of 8 centroid walls of the second zero graduation 1, this distance value be equal to X with
Z's and value；Meanwhile, can using ruler measure core-wall 1 top surface width value, this value be X, Y, Z three's and value, so, can build
Found an equation group and ask for Z values, above Z values are the width value of core-wall 1.Preferably, for ease of more than obtaining first
8 points of 8 points of zero graduation and the second zero graduation, are set to that montant 4 is vertical with chi bar 2, and the rotating shaft 6 is vertical with chi bar 2, montant 4,
So, it may be implemented in after the completion of chi bar 2 puts according to above-mentioned requirements, hang the Kong Zhonghou that sidepiece insertion is excavated, the length side of montant 4
It is located at horizontal direction to the axis direction positioned at vertical direction, rotating shaft 6, and swing rod 7 can be rotated on vertical plane.So, rotate
Swing rod 7 to cause swing rod 7 parallel with chi bar 2, and ensure swing rod 7 free end towards core-wall 1, then, further along the width of core-wall 1
Degree direction translates this measuring scale so that the free end of swing rod 7 is contacted with the depression bosom of the respective side of core-wall 1, so, just can root
According to the physical length of swing rod 7,8 points of 8 points of the first above-mentioned zero graduation or the second zero graduation are obtained on chi bar 2.Meanwhile, in measurement
When chi is in state as described above with core-wall 1, also core-wall 1 can be calculated single by montant 4 and the gap width of core-wall 1
The depth of side depression, the method for finally subtracting left and right sides depth value with the top surface width of core-wall 1 obtains the effective width of core-wall 1
Value.As those skilled in the art, 8 points of above zero graduation is actually also projection of the free end of swing rod 7 on the top surface of core-wall 1
Point, particular location of the subpoint on the top surface of core-wall 1 can be determined according to the specific scale 8 on chi bar 2, and specific scale above
8 can be by hanging each part length of sidepiece, angle, the angle of chi bar 2 and montant 4, the top surface of 4 tie point centroid wall of montant 1 distance etc.
Data are calculated.Meanwhile, this measuring scale hangs angle, the angle of chi bar 2 and montant 4 of each part of sidepiece when for measuring
Form not necessarily described above, but 8 points of acquisition above zero graduation can be also calculated by simple geometry.
To sum up, it can be used for the accurate measuring scale for measuring the width of core-wall 1 present solution provides a kind of.
Embodiment 2：
As shown in figure 1, the present embodiment is further qualified on the basis of embodiment 1：To cause this measuring scale once to put
In that can complete the hidden width measure of core-wall 1 on core-wall 1, the two ends of the chi bar 2 are provided with outstanding sidepiece, and two outstanding sidepieces
Positioned at the same side of chi bar 2, at least one outstanding sidepiece can be slided along the length direction of chi bar 2.In this programme, pass through adjustment
The spacing of two outstanding sidepieces, after being contacted in the free end of swing rod 7 of two outstanding sidepieces with the respective side of core-wall 1 depression deepest point, you can logical
The simple width value for calculating and obtaining core-wall 1 is crossed, it is vertical with chi bar 2 to be preferably arranged to hang montant 4 on sidepiece as described above, and
After chi bar 2 is correctly put on the width of core-wall 1, the length direction of chi bar 2 is located at the swing rod on vertical direction, each outstanding sidepiece
7 is swingable to the modes vertical with corresponding montant 4, so, when measuring, swing rod 7 be rocked to it is vertical with montant 4 and with core-wall 1
Upper corresponding points contact, using the scale 8 and the length of each swing rod 7 on each place chi bar 2 of montant 4, by simple subtraction,
Desirable value can be obtained.In the present embodiment, the montant 4 of the outstanding sidepiece that can be slided on chi bar 2 passes through the cunning that is set on chi bar 2
Seat 5 is connected with chi bar 2, while setting locking device on slide 5, is used to realize between slide 5 and chi bar 2 with upper locking device
Locking, such as use clamping screw.
As described above, accurately to measure the width of core-wall 1, it is necessary to dig pit to expose depression on the transition zone of the both sides of core-wall 1
Deepest point simultaneously provides space for the insertion for hanging sidepiece, to make it possible to the hole that convenient width is excavated according to specific cup depth,
The width of core-wall 1 is obtained on the premise of reduction excavated volume and beneficial to follow-up fill up, the quantity of the outstanding sidepiece upper pendulum bar 7 is many
Root, and each swing rod 7 has different length.Specifically, as described above, when swing rod 7 is vertical with montant 4, can be more simple
The width value for calculating core-wall 1, therefore in core-wall 1 side-facing depressions depth more hour, choosing shorter swing rod 7 is used to measure,
Now, dig pit corresponding smaller, conversely, when the cup depth is bigger, choosing longer swing rod 7 is used to measure, now, institute
Dig pit corresponding larger.
To cause swing rod 7 that there is smaller contact area with core-wall 1, to cause the contact point of swing rod 7 and core-wall 1 as far as possible
Depression deepest point, the free end of the swing rod 7 is tip.
Because recessed position deepest point position is uncertain on core-wall 1, and after this measuring scale completes, montant 4
Length it is certain, so, when swing rod 7 is vertical with montant 4, if chi bar 2 is directly placed on core-wall 1, this mode is to measure
Chi placement state the most stable mode, meanwhile, when if desired reading the edge scale 8 of core-wall 1 and being worth, being also with upper type can be most
For the accurate mode for reading the edge of core-wall 1 correspondence scale 8, still, just because of the uncertainty of the depression points position of core-wall 1, having can
Can now the free end of swing rod 7 is when satisfaction is contacted with the side-facing depressions deepest point of core-wall 1, the angle between swing rod 7 and montant 4 is at 0 °
To between 180 °, for ease of obtaining the angle value, according to trigonometric function, to calculate throwing of the outstanding sidepiece in the length direction of chi bar 2
Shadow length, is set to：Be additionally provided with the disk of angle index 8 on the outstanding sidepiece, the disk of angle index 8 be used to measuring swing rod 7 with
Angle between montant 4.Specifically, the disk of above angle index 8 can be consolidated using a disk for being labeled with angle value, above disk
Due on montant 4, and the axis and the axis collinear of rotating shaft 6 of above disk.For ease of calculating, montant 4 and chi are preferably arranged to
Bar 2 is vertical, and swing rod 7 can turn to parallel with montant 4.
For ease of placement state of the demarcation chi bar 2 on core-wall 1, to ensure the measurement accuracy of this measuring scale, in addition to it is solid
Due to the level meter 3 on chi bar 2.
Analyzed as more than, the angle of swing rod 7 and montant 4 influences whether the calculating of the width of core-wall 1, perpendicular for ease of demarcation
The angle of bar 4 and swing rod 7, and cause above angle to be on the angle that convenient use person calculates the most, the other end of the montant 4
Block 9 is additionally provided with, the block 9 is used for the maximum angle for limiting the rotation of swing rod 7, and when swing rod 7 is contacted with block 9, institute
State swing rod 7 parallel with chi bar 2.By the manner, the length value of swing rod 7 is projected length of the swing rod 7 on chi bar 2, can
Directly utilize.
Above content is to combine the further description that specific preferred embodiment is made to the present invention, it is impossible to assert this
The embodiment of invention is confined to these explanations.For general technical staff of the technical field of the invention,
The other embodiment drawn in the case where not departing from technical scheme, should be included within the scope of the present invention.
Claims (7)
1. the hidden width measuring scale of hydraulic asphalt concrete core-wall, including in the chi bar (2) of strip, it is additionally provided with the chi bar (2)
The scale (8) arranged along chi bar (2) length direction, it is characterised in that be additionally provided with the either end of the chi bar (2) outstanding
Sidepiece；
The outstanding sidepiece includes montant (4), rotating shaft (6) and swing rod (7), and one end of the montant (4) is connected with chi bar (2), puts
One end of bar (7) is connected by rotating shaft (6) with the other end of montant (4).
2. the hidden width measuring scale of hydraulic asphalt concrete core-wall according to claim 1, it is characterised in that the chi bar (2)
Two ends be provided with outstanding sidepiece, and two outstanding sidepieces are located at the same side of chi bar (2), and at least one outstanding sidepiece can be along chi
The length direction of bar (2) is slided.
3. the hidden width measuring scale of hydraulic asphalt concrete core-wall according to claim 1, it is characterised in that on the outstanding sidepiece
The quantity of swing rod (7) is many, and each swing rod (7) has different length.
4. the hidden width measuring scale of hydraulic asphalt concrete core-wall according to claim 1, it is characterised in that the swing rod (7)
Free end for tip.
5. the hidden width measuring scale of hydraulic asphalt concrete core-wall according to claim 1, it is characterised in that on the outstanding sidepiece
Angle dial is additionally provided with, the angle dial is used to measure the angle between swing rod (7) and montant (4).
6. the hidden width measuring scale of hydraulic asphalt concrete core-wall according to claim 1, it is characterised in that also including being fixed on
Level meter (3) on chi bar (2).
7. the hidden width measuring scale of hydraulic asphalt concrete core-wall according to claim 1, it is characterised in that the montant (4)
The other end on be additionally provided with block (9), the block (9) is used for the maximum angle for limiting swing rod (7) rotation, and works as swing rod
(7) when being contacted with block (9), the swing rod (7) is parallel with chi bar (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710367786.4A CN106979738A (en) | 2017-05-19 | 2017-05-19 | The hidden width measuring scale of hydraulic asphalt concrete core-wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710367786.4A CN106979738A (en) | 2017-05-19 | 2017-05-19 | The hidden width measuring scale of hydraulic asphalt concrete core-wall |
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| Publication Number | Publication Date |
|---|---|
| CN106979738A true CN106979738A (en) | 2017-07-25 |
Family
ID=59342661
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710367786.4A Pending CN106979738A (en) | 2017-05-19 | 2017-05-19 | The hidden width measuring scale of hydraulic asphalt concrete core-wall |
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| CN204924119U (en) * | 2015-08-25 | 2015-12-30 | 中国铝业股份有限公司 | Measure new tool of electrolysis tank furnace group thickness |
| CN105222665A (en) * | 2015-09-28 | 2016-01-06 | 浙江吉利汽车研究院有限公司 | A kind of vehicle test calibrating installation |
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Application publication date: 20170725 |